qibuild/find: cleanup, cleanup
qibuild/find: cleanup, cleanup

Using FindPackageHandleStandardArgs was the key here.
(also, reading source code helped a lot ...)

dmerejkowsky/qibuild,aldebaran/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild